package com.qf.service;

import com.qf.domain.Goods;
import com.qf.domain.PageBean;

import java.util.List;

public interface GoodsService {
    PageBean<Goods> findByPage(int page_num, int page_size, String toString, List<Object> params);

    Goods findById(Integer gid);//通过 商品id 查找商品

    void add(Goods goods);
}
